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plot.py
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plot.py
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# Roni Koitermaa 2022
# Plotting code using Matplotlib
# Line/scatter plots, subplots, histogram plot, bar plot
import numpy as np
from matplotlib import rc
import matplotlib.pyplot as plt
import matplotlib.ticker as mtick
# line + scatter plot of multiple data sets a
# with different labels and styles
def linescatter(a, titles=["", "", ""], labels=[], styles=[], fpath="", show=True, log=[False, False], colornum=0):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
#colors = plt.cm.hsv(np.linspace(0.66, 0.0, len(a)))
#colors = plt.cm.plasma(np.linspace(0, 0.95, len(a)))
if colornum == 0:
colornum = len(labels)
if len(a) > 5:
colors = plt.cm.plasma(np.linspace(0, 0.9, colornum))
plt.rcParams['axes.prop_cycle'] = plt.cycler(color=colors)
f = plt.figure(figsize=(10, 10))
ax = plt.gca()
ax.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
if log[0]:
ax.set_xscale('log')
if log[1]:
ax.set_yscale('log')
i = 0
for ai in a:
if len(ai) <= 0:
continue
alabel = str(i)
amarker = ""
alinestyle = "-"
amarkersize = 1.0
errfill = False
if len(labels) > 0:
if i < len(labels):
alabel = labels[i]
else:
alabel = labels[-1]
if len(styles) > 0:
if styles[i] == 1:
amarker = "o"
alinestyle = ""
amarkersize = 3.0
if styles[i] == 4:
alinestyle = "dashed"
if styles[i] == 10:
errfill = True
if errfill and len(ai[0]) > 2:
plt.plot(ai[:, 0], ai[:, 1], label=alabel, marker=amarker, markersize=amarkersize, linestyle=alinestyle)
plt.fill_between(a[0][:, 0], a[0][:, 1]-a[0][:, 2], a[0][:, 1]+a[0][:, 2], alpha=0.33)
elif len(ai[0]) > 2:
plt.errorbar(ai[:, 0], ai[:, 1], yerr=ai[:, 2], label=alabel, marker=amarker, markersize=amarkersize, linestyle=alinestyle)
elif len(ai[0]) > 3:
plt.errorbar(ai[:, 0], ai[:, 1], yerr=ai[:, 3], xerr=ai[:, 2], label=alabel, marker=amarker, markersize=amarkersize, linestyle=alinestyle)
else:
plt.plot(ai[:, 0], ai[:, 1], label=alabel, marker=amarker, markersize=amarkersize, linestyle=alinestyle)
i += 1
plt.title(titles[0])
plt.xlabel(titles[1])
plt.ylabel(titles[2])
plt.grid(True)
if len(labels) > 0 or len(a) > 1:
plt.legend(fontsize='xx-small')
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300) # save to file
if show:
plt.show()
plt.close()
# line plot with two subplots
def linesub2(a, titles=["", "", ""], labels=["", ""], fpath="", show=True):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
f, (ax1, ax2) = plt.subplots(2, 1, sharex=True, figsize=(10, 10))
ax1.plot(a[0][:, 0], a[0][:, 1], label=labels[0])
ax2.plot(a[1][:, 0], a[1][:, 1], color="tab:orange", label=labels[1])
if (len(a[0][0]) > 2):
ax1.fill_between(a[0][:, 0], a[0][:, 1]-a[0][:, 2], a[0][:, 1]+a[0][:, 2], alpha=0.33, facecolor="tab:blue")
if (len(a[1][0]) > 2):
ax2.fill_between(a[1][:, 0], a[1][:, 1]-a[1][:, 2], a[1][:, 1]+a[1][:, 2], alpha=0.33, facecolor="tab:orange")
ax1.set_title(titles[0])
plt.xlabel(titles[1])
ax1.set_ylabel(titles[2])
if len(titles) > 3:
ax2.set_ylabel(titles[3])
else:
ax2.set_ylabel(titles[2])
ax1.grid(True)
ax2.grid(True)
if len(labels[0]) > 0:
ax1.legend(fontsize='xx-small')
if len(labels[1]) > 0:
ax2.legend(fontsize='xx-small')
ax1.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
ax2.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300)
if show:
plt.show()
plt.close()
# line plot with three subplots
def linesub3(a, titles=["", "", ""], labels=["", "", ""], fpath="", show=True):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
f, (ax1, ax2, ax3) = plt.subplots(3, 1, sharex=True, figsize=(10, 10))
ax1.plot(a[0][:, 0], a[0][:, 1], color="tab:blue", label=labels[0])
ax2.plot(a[1][:, 0], a[1][:, 1], color="tab:orange", label=labels[1])
ax3.plot(a[2][:, 0], a[2][:, 1], color="tab:green", label=labels[2])
if (len(a[0][0]) > 2):
ax1.fill_between(a[0][:, 0], a[0][:, 1]-a[0][:, 2], a[0][:, 1]+a[0][:, 2], alpha=0.33, facecolor="tab:blue")
if (len(a[1][0]) > 2):
ax2.fill_between(a[1][:, 0], a[1][:, 1]-a[1][:, 2], a[1][:, 1]+a[1][:, 2], alpha=0.33, facecolor="tab:orange")
if (len(a[2][0]) > 2):
ax3.fill_between(a[2][:, 0], a[2][:, 1]-a[2][:, 2], a[2][:, 1]+a[2][:, 2], alpha=0.33, facecolor="tab:green")
ax1.set_title(titles[0])
plt.xlabel(titles[1])
ax1.set_ylabel(titles[2])
if len(titles) > 4:
ax2.set_ylabel(titles[3])
ax3.set_ylabel(titles[4])
else:
ax2.set_ylabel(titles[2])
ax3.set_ylabel(titles[2])
ax1.grid(True)
ax2.grid(True)
ax3.grid(True)
if len(labels[0]) > 0:
ax1.legend(fontsize='xx-small')
if len(labels[1]) > 0:
ax2.legend(fontsize='xx-small')
if len(labels[2]) > 0:
ax3.legend(fontsize='xx-small')
ax1.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
ax2.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
ax3.yaxis.set_major_formatter(mtick.FormatStrFormatter('%.5g'))
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300)
if show:
plt.show()
plt.close()
# histogram plot
def histplt(x, nbins, theor=None, titles=["Histogram", "x", "N"], label="", fpath="", show=True):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
f = plt.figure(figsize=(10, 10))
# generate (normalized) histogram of data x
plt.hist(x, nbins, ec="tab:blue", label=label) #, density=True
if theor is not None:
tx = np.linspace(np.min(x), np.max(x), 1000)
plt.plot(tx, theor(tx), label="Theory")
plt.legend(fontsize='xx-small')
plt.title(titles[0])
plt.xlabel(titles[1])
plt.ylabel(titles[2])
#plt.grid(True)
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300) # save to file
if show:
plt.show()
plt.close()
# bar plot
def barplt(a, fit, titles=["", "", ""], labels="", al=1.0, fpath="", show=True):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
f = plt.figure(figsize=(10, 10))
i = 0
for ai in a:
if len(ai) <= 0:
continue
alabel = str(i)
if len(labels) > 0:
alabel = labels[i]
if len(fit) > 0:
fi = fit[i]
plt.plot(fi[:, 0], fi[:, 1], label=alabel+" fit")
eps=0.0
plt.bar(ai[:, 0]-eps, ai[:, 2], (ai[:, 1]-ai[:,0])+2*eps, label=alabel, alpha=al, align="edge")
i += 1
plt.title(titles[0])
plt.xlabel(titles[1])
plt.ylabel(titles[2])
#plt.grid(True)
if len(labels) > 0 or len(a) > 1:
plt.legend(fontsize='xx-small')
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300) # save to file
if show:
plt.show()
plt.close()
# plot matrix a
def matplot(a, titles=["", "", ""], fpath="", show=True):
plt.style.use('default')
rc('font', **{'family': 'serif', 'serif': ['Computer Modern']})
rc('text', usetex=True)
plt.rcParams.update({'font.size': 22})
f = plt.figure(figsize=(10, 10))
#ax.set_aspect('equal')
plt.matshow(a, f)
plt.title(titles[0])
plt.xlabel(titles[1])
plt.ylabel(titles[2])
plt.colorbar()
if len(fpath) > 0:
f.savefig(fpath, bbox_inches='tight', dpi=300) # save to file
if show:
plt.show()
plt.close()